Multivariate Functional Regression- Estimation of functional regression with multiple functionnal regressors and optimal selection of the smoothing parameters and the number of basis. It also includes the treatment of strictly positive functional data.

bootBCa- Function BCa finds confidence intervals using Efron's nonparametric bias-corrected and accelerated (BCa) bootstrap method. It supports adaptive determination of the number of bootstrap replications and requires less memory than other implementations.